149046450 has 192 divisors, whose sum is σ = 460922880. Its totient is φ = 31104000.

The previous prime is 149046433. The next prime is 149046451. The reversal of 149046450 is 54640941.

It is not an unprimeable number, because it can be changed into a prime (149046451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 618330 + ... + 618570.

It is an arithmetic number, because the mean of its divisors is an integer number (2400640).

Almost surely, 2^149046450 is an apocalyptic number.

149046450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149046450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230461440).

149046450 is an abundant number, since it is smaller than the sum of its proper divisors (311876430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149046450 is a wasteful number, since it uses less digits than its factorization.

149046450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 149046450 is about 12208.4581336056. The cubic root of 149046450 is about 530.2010036217.

The spelling of 149046450 in words is "one hundred forty-nine million, forty-six thousand, four hundred fifty".